DNA damage recognition and repair pathway coordination revealed by the structural biochemistry of DNA repair enzymes

David J. Hosfield, Douglas S. Daniels, Clifford D. Mol, Christopher D. Putnam, Sudip S. Parikh, John A. Tainer

Research output: Chapter in Book/Report/Conference proceedingChapter

30 Scopus citations

Abstract

Cells have evolved distinct mechanisms for both preventing and removing mutagenic and lethal DNA damage. Structural and biochemical characterization of key enzymes that function in DNA repair pathways are illuminating the biological and chemical mechanisms that govern initial lesion detection, recognition, and excision repair of damaged DNA. These results are beginning to reveal a higher level of DNA repair coordination that ensures the faithful repair of damaged DNA. Enzyme-induced DNA distortions allow for the specific recognition of distinct extrahelical lesions, as well as tight binding to cleaved products, which has implications for the ordered transfer of unstable DNA repair intermediates between enzymes during base excision repair.

Original languageEnglish (US)
Title of host publicationBase Excesion Repair
PublisherAcademic Press Inc.
Pages315-347
Number of pages33
ISBN (Print)0125400683, 9780125400688
DOIs
StatePublished - 2001
Externally publishedYes

Publication series

NameProgress in Nucleic Acid Research and Molecular Biology
Volume68
ISSN (Print)0079-6603

ASJC Scopus subject areas

  • Molecular Biology

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